215328620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 506677248

約数和(自身を除く): 291348628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 67, 94, 130, 134, 188, 235, 260, 263, 268, 335, 470, 526, 611, 670, 871, 940, 1052, 1222, 1315, 1340, 1742, 2444, 2630, 3055, 3149, 3419, 3484, 4355, 5260, 6110, 6298, 6838, 8710, 12220, 12361, 12596, 13676, 15745, 17095, 17420, 17621, 24722, 31490, 34190, 35242, 40937, 49444, 61805, 62980, 68380, 70484, 81874, 88105, 123610, 160693, 163748, 176210, 204685, 229073, 247220, 321386, 352420, 409370, 458146, 642772, 803465, 818740, 828187, 916292, 1145365, 1606930, 1656374, 2290730, 3213860, 3312748, 4140935, 4581460, 8281870, 10766431, 16563740, 21532862, 43065724, 53832155, 107664310, 215328620]

約数ペア:

[(1, 215328620), (2, 107664310), (4, 53832155), (5, 43065724), (10, 21532862), (13, 16563740), (20, 10766431), (26, 8281870), (47, 4581460), (52, 4140935), (65, 3312748), (67, 3213860), (94, 2290730), (130, 1656374), (134, 1606930), (188, 1145365), (235, 916292), (260, 828187), (263, 818740), (268, 803465), (335, 642772), (470, 458146), (526, 409370), (611, 352420), (670, 321386), (871, 247220), (940, 229073), (1052, 204685), (1222, 176210), (1315, 163748), (1340, 160693), (1742, 123610), (2444, 88105), (2630, 81874), (3055, 70484), (3149, 68380), (3419, 62980), (3484, 61805), (4355, 49444), (5260, 40937), (6110, 35242), (6298, 34190), (6838, 31490), (8710, 24722), (12220, 17621), (12361, 17420), (12596, 17095), (13676, 15745)]